**Product Specifications:**
**Brand:** SANSUI
**Package Upgrade Comparison:** H4, H2S, V79, 6H, H3
**Microphone Advantages:** Clear sound quality, real metal U segment, adjustable frequency, anti-interference
**Applications:** Suitable for KTV, stage performances, conferences, family gatherings
**Versions:**
- H4: Deluxe version with clear sound quality, real metal U segment, one-to-four connection, adjustable frequency
- H2S: KTV version with clear sound quality, real metal U segment, adjustable frequency, anti-interference, suitable for connecting to audio systems
- V79: Flagship version with clear sound quality, amplifier, sound card, card package, real metal U segment, adjustable frequency, microphone or headset jack for direct use
- 6H: High-definition sound quality, deluxe version with anti-feedback, anti-interference features
- H3: Standard version with high-definition sound quality, anti-feedback feature, suitable for professional performances
**Features:**
- UHE, H, 62.85, G
- UHF frequency modulation, dynamic coil microphone core, accurate sound pickup, automatic frequency matching, anti-feedback, sensitive response, effective prevention of frequency interference, detailed and clear sound quality
- Enhanced antenna, metal casing, visual operation, signal penetration through walls, long-distance reception, durable LED display
**Core Technology:** UHF frequency modulation, dual-frequency AC antenna, DSP intelligent noise reduction chip, 2X100 frequency points, ergonomic design, high-definition display screen, multi-device compatibility
**Applicable Scenarios:** Conference hosting, family gatherings, stage performances, KTV entertainment
**Product Parameters:**
- Frequency Range: 630.00-660.00MHz
- RF Stability: +0.005% (-10°C~50°C)
- Offset: ±40KHz with compression expansion and automatic audio limit circuit
- S/N Ratio: 100dB
- Distortion: <0.5% A-weighted at 1KHz
- Frequency Response: 50Hz~18KHz ±3dB
- Reception Mode: Non-automatic selection reception
- Oscillation Mode: Quartz control
- Harmonic Interference Ratio: >80dB
- Image Interference Ratio: >70dB
